8.5-9.0 out of 10 physically. This unit was pulled from a very high end home theater installation/remodel. Originally manufactured and installed in 2003-2004. 

140w x 5

Balanced (XLR), unbalanced (gold-plated RCA) inputs, 0-180 phase switch, 1,2,4v gain levels on each channel.

VERY high sound quality, and very well made solid state amplifier. This beast is HEAVY (65lb) so please factor shipping costs in when you make your offers. 

 We do have 2 more of these available, so inquire if you'd like us to list another. Good luck!